Value Representation

LO Long String

Category
string
Max Length
64 chars
Fixed Length
No
Source
PS3.5 §6.2

Definition

A character string that may be padded with leading or trailing spaces. The character code 5CH (Backslash) shall not be present as it is used as the delimiter between values in multi-value data elements.

Attributes using LO

363 DICOM attributes declare this VR. Showing the first 24.

Working with LO in integration code

VR-aware transformations are where most DICOM integration bugs hide — truncating a PN's 5-component structure, misaligning OB padding, or dropping leading zeros on IS. Saga IT builds production DICOM pipelines that respect VR semantics across Mirth Connect transformers, DIMSE gateways, and cloud DICOM services.